package com.atlassian.plugin.servlet;
   
   import com.atlassian.plugin.servlet.descriptors.BaseServletModuleDescriptor;
   
   import javax.servlet.Servlet;
   import javax.servlet.ServletConfig;
   import javax.servlet.ServletContext;
   import java.util.Collections;
   import java.util.Enumeration;
  
  /**
   * Instances of the PluginServletConfig are passed to plugins servlet {@link Servlet} init() method. It provides
   * access to the init parameters defined in the plugin xml as well as the ServletContext shared by other filters and
   * servlets in the plugin.
   */
  public final class PluginServletConfig implements ServletConfig {
      private final BaseServletModuleDescriptor<?> descriptor;
      private final ServletContext servletContext;
  
      public PluginServletConfig(BaseServletModuleDescriptor<?> descriptor, ServletContext servletContext) {
          this.descriptor = descriptor;
          this.servletContext = servletContext;
      }
  
      public String getServletName() {
          return descriptor.getDisplayName();
      }
  
      public ServletContext getServletContext() {
          return servletContext;
      }
  
      public String getInitParameter(String s) {
          return descriptor.getInitParams().get(s);
      }
  
      public Enumeration<String> getInitParameterNames() {
          return Collections.enumeration(descriptor.getInitParams().keySet());
      }
  }